Verschlussvorrichtung für ein aufblasbares Rückhaltesystem

摘要

The closure for an air bag deployment opening of an air bag assembly adapted to be integrated into a vehicle with the assembly including a housing for accommodating a collapsed inflatable air bag comprises: a mounting portion securable to the housing, a face portion defining weakened tear ways which tear and form release doors under the influence of inflating of the air bag, and a hinge portion joining at least one of said release doors with the mounting portion after the formation of the doors. The closure additionally comprises at least one stress concentration feature. Under the influence of the inflating bag, an initial opening for the deployment of the air bag is formed at a selected location on the face portion. A first stress concentration feature comprises a tear way having a V-shaped groove at the location of the initial opening with the tear way having a more rounded groove adjacent the V-shaped groove.